Which important energy molecule does cellular respiration produce? a) glucose
b) ATP
c) carbohydrates
d) sunlight

Which of the following statements describes the role of ATP in animals cells?

a. ATP stores and releases energy.
b. ATP forms openings in the plasma membrane.
c. ATP stores genetic material
d. ATP attaches to and digests unneeded organic molecules.

Although there are a limited number of amino acids many different types of proteins exist because..

Which statement best describes the relationship between an allele and a gene? question 1 options: an allele is a variation of a gene that can be expressed as a phenotype. an allele is the part of a gene that attaches to messenger rna molecules. an allele is a segment of a dna molecule that controls replication of a gene.

This is a typical grassland food web. it is also a small picture of an important cycle on earth: the carbon cycle. describe how the carbon gets into this food web. a) bacteria and fungi, the decomposers, recycle carbon from dead organisms. b) carbon is found in the grass and is passed from one level to the next in this food web. eliminate c) all living things give off carbon dioxide as a by-product of respiration and it is released into the atmosphere. d) plants use carbon dioxide as a reactant in photosynthesis, to make usable chemical energy in the form of a sugar.